Conservation Status

  1. NatureServe
    Director, Species Science
  1. NatureServe
    Lead Botanist
  1. NatureServe
    Senior Research Ecologist
  1. NatureServe
    Director of Science Information Resources


Determining which species and ecosystems are thriving and which are rare or declining is crucial for targeting conservation toward elements of biodiversity in greatest need. NatureServe and its network members use a suite of factors to assess the conservation status of plants, animals, and ecological systems and communities.

Nodding yucca (Yucca cernua) is a G1 species, known from fewer than a dozen populations in southeast Texas. Photo by Sam Sheline | NatureServe.
  1. Conservation Rank Calculator

    ProductData, Maps & Tools
  2. NatureServe Explorer®

    ProductData, Maps & Tools
  3. Core Methodology Training 2014

  4. Conservation and Management of North American Bumble Bees

    PublicationScientific Report
  5. NatureServe Core Methodology

    ProductStandards & Methods